Vassiliki Economides insider trades: Gritstone bio (GRTS) stock buys and sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where Vassiliki reports to the SEC
Open-market buys and sales
8 trades reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| Dec 18, 2024 | GRTS | ↓ Sell | 12,000 | $0.01 | $180 | Direct | Dec 20, 2024 (2d) |
| May 16, 2024 | GRTS | ↓ Sell | 13,749 | $0.75 | $10K | Direct | May 17, 2024 (1d) |
| May 23, 2023 | GRTS | ↑ Buy | 12,000 | $1.90 | $23K | Direct | May 24, 2023 (1d) |
| Feb 4, 2020 | KZR | ↑ Buy | 5,769 | $2.60 | $15K | Direct | Feb 5, 2020 (1d) |
| Aug 20, 2019 | KZR | ↑ Buy | 350 | $4.41 | $2K | Direct | Aug 21, 2019 (1d) |
| Aug 9, 2019 | KZR | ↑ Buy | 1,020 | $4.96 | $5K | Direct | Aug 12, 2019 (3d) |
| Jul 22, 2019 | KZR | ↑ Buy | 431 | $5.82 | $3K | Direct | Jul 23, 2019 (1d) |
| May 30, 2019 | KZR | ↑ Buy | 750 | $10.19 | $8K | Direct | Mar 29, 2021 (669d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
About Vassiliki Economides's insider trades
Vassiliki Economides is EVP, Chief Financial Officer at Gritstone bio (GRTS). Since May 30, 2019, Vassiliki has reported 6 open-market purchases worth $55K and 2 sales worth $10K on SEC Form 4. There have been no open-market trades in the last 12 months.
Their filings also include grants and awards (9 filings), other transactions (1 filing). These aren't open-market trades and aren't counted above.
How to read insider trades
Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every GRTS insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.

